X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;ds=sidebyside;f=src%2Fevaluate.cpp;h=ac0bf8cce9cc81571873889c3e5714b670cd0f47;hb=b61759e907e508d436b7c0b7ff8ab866454f7ca6;hp=fa3b0a720b2face4a2ac66d6085370f3b8e77e43;hpb=66ce8ad5fd0e67904ca96dd9ac58f2e512a1f380;p=stockfish

diff --git a/src/evaluate.cpp b/src/evaluate.cpp
index fa3b0a72..ac0bf8cc 100644
--- a/src/evaluate.cpp
+++ b/src/evaluate.cpp
@@ -488,7 +488,11 @@ namespace {
 
         // Transform the kingDanger units into a Score, and substract it from the evaluation
         if (kingDanger > 0)
+        {
+            int mobilityDanger = mg_value(mobility[Them] - mobility[Us]);
+            kingDanger = std::max(0, kingDanger + mobilityDanger);
             score -= make_score(kingDanger * kingDanger / 4096, kingDanger / 16);
+        }
     }
 
     // King tropism: firstly, find squares that opponent attacks in our king flank